undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/jdk/java/lang/ClassLoader/GetResourceNullArg.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.file.Paths;
+import java.util.Enumeration;
+import java.util.stream.Stream;
+import org.testng.annotations.*;
+
+/*
+ * @test
+ * @bug 8136831
+ * @summary Test null argument to ClassLoader.getResourceXXXX()
+ * @run testng GetResourceNullArg
+ */
+
+public class GetResourceNullArg {
+    private static class MyClassLoader extends ClassLoader {
+        public MyClassLoader() {
+            super(null);
+        }
+        @Override
+        public Class findClass(String name) throws ClassNotFoundException {
+            throw new ClassNotFoundException("Why are you using this?");
+        }
+    }
+
+    @DataProvider
+    public static ClassLoader[][] provider() {
+        try {
+            return new ClassLoader[][] {
+                { ClassLoader.getSystemClassLoader() },
+                { new MyClassLoader() },
+                { new URLClassLoader(new URL[]{ Paths.get(".").toUri().toURL() },
+                                     ClassLoader.getSystemClassLoader()) }
+            };
+        } catch (MalformedURLException e) { throw new RuntimeException(e); }
+    }
+
+    @Test(expectedExceptions = NullPointerException.class)
+    public void classGetResource() {
+        this.getClass().getResource(null);
+    }
+
+    @Test(expectedExceptions = NullPointerException.class)
+    public void classGetResourceAsStream() {
+        this.getClass().getResourceAsStream(null);
+    }
+
+    @Test(dataProvider = "provider",
+          expectedExceptions = NullPointerException.class)
+    public void loaderGetResource(ClassLoader cl) {
+        cl.getResource(null);
+    }
+
+    @Test(dataProvider = "provider",
+          expectedExceptions = NullPointerException.class)
+    public static void loaderGetResources(ClassLoader cl) throws IOException {
+        Enumeration<URL> retVal = cl.getResources(null);
+    }
+
+    @Test(dataProvider = "provider",
+          expectedExceptions = NullPointerException.class)
+    public static void loaderResources(ClassLoader cl) throws IOException {
+        Stream<URL> retVal = cl.resources(null);
+    }
+
+    @Test(dataProvider = "provider",
+          expectedExceptions = NullPointerException.class)
+    public void loaderGetResourceAsStream(ClassLoader cl) {
+        cl.getResourceAsStream(null);
+    }
+}